Published photograph of W.L. deRosset.William Lord deRosset (1832-1910) was the oldest son of Dr. Armand John deRosset and his first wife Eliza Lord deRosset. He helped establish the Clarendon Iron Works in Wilmington after he returned from college. In 1860, he became a member in the commission house of deRosset and Brown, which had been organized by his father in 1839.In 1854, he joined the Wilmington Light Infantry and became a lieutenant and then captain. He became a major in 1861 and assigned to the Third North Carolina regiment and succeeded to command of the regiment as Colonel. He was severely wounded in action at the Battle of Sharpsburg. He was permanently disabled by the injury and reluctantly resigned his commission in July of 1863, after which he helped his father in blockade-running.After the war, he returned to the commission company that his father and he had started and joined the Navassa Guano Company. After his death in 1910, he received a military funeral and was buried in Oakdale Cemetery.